21891798

素因数分解:

$2^1\times 3^2\times {\mathrm{379}}^1\times {\mathrm{3209}}^1$

素因数の和:3596

約数の個数: 24

約数和(自身を含む): 47572200

約数和(自身を除く): 25680402

約数列:

[1, 2, 3, 6, 9, 18, 379, 758, 1137, 2274, 3209, 3411, 6418, 6822, 9627, 19254, 28881, 57762, 1216211, 2432422, 3648633, 7297266, 10945899, 21891798]

約数ペア:

[(1, 21891798), (2, 10945899), (3, 7297266), (6, 3648633), (9, 2432422), (18, 1216211), (379, 57762), (758, 28881), (1137, 19254), (2274, 9627), (3209, 6822), (3411, 6418)]